Fundamentals of Databases

IT-403

College of Computing and Informatics

Question One

1.5 Mark

Learning Outcome(s):

Learn the design of a database starting from the conceptual design to the implementation of database schemas.

Define and explain with examples the following terms:

– Simple attributes versus Composite attributes:

– Single-valued versus multivalued attributes

– Derived attribute:

Question Two

3.5 Mark

Learning Outcome(s):

Learn about entity-relationship, relational model, and SQL.

The clinic has several dentists. Each dentist has a unique Number, name, nationality, multiple room-number, salary, birth-date and home-address (Box, City, Zip).

Each client (patient) has a unique Code, name, home-phone, work-phone, address, and birth-date. Each client is assigned to one dentist. All future visits will be to the same dentist. A client can be insured or self-paying. An insured client should have an insurance company-name, and company-Phone, while a self-paying client must have a bank-name and a bank account.

Each visit of a client is described by a date, type, action, fee, and date-of-next-appointment.

Question: Design an Entity Relationship (ER) Model to represent the above requirements.